Results 41 to 50 of about 1,586,154 (340)

Provider-initiated symptom screening for tuberculosis in Zimbabwe: diagnostic value and the effect of HIV status. [PDF]

open access: yes, 2010
OBJECTIVE: To assess the diagnostic value of provider-initiated symptom screening for tuberculosis (TB) and how HIV status affects it. METHODS: We performed a secondary analysis of randomly selected participants in a community-based TB-HIV prevalence ...
Bandason, Tsitsi   +11 more
core   +2 more sources

The validity of the claims-based definition of rheumatoid arthritis evaluated in 64 hospitals in Japan

open access: yesBMC Musculoskeletal Disorders, 2021
Background An administrative database covering a whole population such as the national database in Japan may be used to estimate the nationwide prevalence of diseases including rheumatoid arthritis (RA) when a well-validated definition of the disease is ...
Kiyoshi Kubota   +5 more
doaj   +1 more source

False negatives of screening in large-scale population

open access: yesShanghai yufang yixue, 2022
ObjectiveTo explore the changing trend of negative predictive value and number of false negatives in screening tests under the condition of low infection rate of infectious diseases.MethodsAssuming that the population is 20 million, to calculate the ...
XU Ning   +4 more
doaj   +1 more source

Clinical Impact of 18F-FDG PET/CT on the Management of Gynecologic Cancers: One Center Experience [PDF]

open access: yesAsia Oceania Journal of Nuclear Medicine and Biology, 2019
Objective(s): We aim to investigate the clinical impact of 18F-FDG PET/CT in managing patients with gynecological malignancies and pelvic or extrapelvic lymph nodes that are of equivocal significance on conventional imaging.Methods: We retrospectively ...
Akram Al-ibraheem   +4 more
doaj   +1 more source

Preschool vision screening: negative predictive value for amblyopia [PDF]

open access: yesBritish Journal of Ophthalmology, 1999
Single optotype tests of visual acuity are widely used for preschool vision screening in order to optimise cooperation with testing. These tests may, however, underestimate the visual acuity deficit in amblyopia because they lack visual crowding.
D K, Newman, M M, East
openaire   +2 more sources

Diagnostic accuracy of multidetector computed tomography scan in mediastinal masses assuming histopathological findings as gold standard [PDF]

open access: yes, 2018
Purpose: Aim of the study was to: 1) present MDCT characteristics of different mediastinal mass lesions, 2) estimate proportion of benign and malignant mediastinal mass lesions based on MDCT findings, and 3) find out the diagnostic accuracy with ...
Jaipal, Usha   +3 more
core   +1 more source

Identifying incident cancer cases in dispensing claims

open access: yesInternational Journal of Population Data Science, 2020
Introduction Dispensing claims are used commonly as proxy measures in pharmacoepidemiological studies; however, their validity is often untested. Objectives To assess the performance of a proxy for identifying cancer cases based on the dispensing of ...
Benjamin Daniels   +2 more
doaj   +1 more source

Service evaluation to establish the sensitivity, specificity and additional value of broad-range 16S rDNA PCR for the diagnosis of infective endocarditis from resected endocardial material in patients from eight UK and Ireland hospitals [PDF]

open access: yes, 2014
Infective endocarditis (IE) can be diagnosed in the clinical microbiology laboratory by culturing explanted heart valve material. We present a service evaluation that examines the sensitivity and specificity of a broad-range 16S rDNA polymerase chain ...
Alshafi, K   +8 more
core   +1 more source

Applicability of Winthrop Score for the Diagnosis of Influenza A in the Emergency Department of Hospital Pablo Arturo Suárez, January to March of 2018 [PDF]

open access: yes, 2020
Introduction: In 2010, the Department of Infectious Diseases at Winthrop University Hospital designed a score system for the diagnosis of Legionella pneumonia.
Montesdeoca, Rafael S.   +1 more
core  

Construct validity of the Danish version of the Work Rehabilitation Questionnaire (WORQ)—sensitivity and specificity of the objectively tested physical capacity items

open access: yesFrontiers in Rehabilitation Sciences, 2023
ObjectiveThe aim of this study was to examine the construct validity of the Danish version of the Work Rehabilitation Questionnaire (WORQ) and to compare the physical capacity items of WORQ to objective, standardized measures of physical capacity and ...
Ida Skovborg Verpe   +6 more
doaj   +1 more source

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